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Today's high-efficiency AC/R systems need accurate charging to ensure optimal performance. The Testo 550 delivers the accuracy and reliability needed to calculate superheat and subcooling, fast and easy.
With 40 refrigerant profiles and added functionality of system pressure tests, Testo manifolds are versatile to be the tool of choice for every job
Features
● Real-time calculation of superheat & subcooling for 40 refrigerants
● 2-way aluminum valve block with 3 x 1/4" SAE connections ● 2 NTC temperature probe inputs● Built-in magnifying sight glass● Large, easy-to-read back-lit display● Rugged hook and housing for easy handling● Performs system-integrity leak tests
testo 550Digital Manifold
For more information contact your Grainger Representative or visit Grainger.com.
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Testo 550 Digital Manifold
1-800-227-0729 ● www.testo.com
Technical Data
Units of measurement: Pressure: psi / kPa / MPa / barTemperature: ºF / ºC
Inputs: Three 1/4" SAE pressure fittings2 NTC thermister probe ports
Housing Material: ABS/PA/TPUDimensions: 5.9" x 3.94 "Display Size: 2.75" x 1.75"Weight approx. 3.1 lbs
testo 550 Digital Manifold Kit:Includes: testo 550 digital manifold, clamp probe, batteries, and certificate.
0563 5505
Pipe Wrap Probe (NTC) 0613 4611
Ordering Information
testo 550 Digital Manifold Delux Kit: Includes: testo 550 digital manifold, (2) clamp probes, batteries, certificate and hard carrying case.
0563 5506
Clamp Probe (NTC) 0613 5505
Surface Probe (NTC), waterproof 0613 1912Hard carry case for 550, probes, hoses.
Air Probe (NTC)
0516 5505
Specifications
Measurement cycle time: 0.75 seconds
Selectable refrigerants: No refrigerant, R12, R22, R123, R134a, R290, R401A, R401B, R402A, R402B, R404A, R406A, R407A,R407C, R408A, R409A, R410A, R411A, R413A,R414B,R416A, R417A, R420A, R421A, R421B, R422A, R422B, R422D, R424A, R427a, R434A, R437A, R438A, R502,R503, R507, R600, R600a, R718 (H2O), R744 (only up to 50bar/ 725psi)
Sensors: Pressure: 2 (high side / low side sensors)Temperature: 2 NTC thermistor inputs
Measurement channels: 4
Measurement ranges: Pressure: -14.7 to 725 psig (-1 to 50 bar)Temperature: -60 to 300 ºF (-50 to 150 ºC)
Max Pressure: 870 psi (60 bar)
Humidity application range:
10 to 90% RH
Resolution: Pressure: 0.1 psi / 0.01 barTemperature: 0.1 ºF / ºC
Accuracy: Pressure: ± 0.75% of reading (± 1 digit)Temperature: ± 0.5 ºF
Ambient Conditions: Operating temperature: 14 to 122 ºF (-10 to 50 ºC)Storage temperature:-4 to 140 ºF (-20 to 60 ºC)
Power Supply: 4 AA (1.5V) batteriesBattery life: 150 hours (without back-light on)
Display: Type: Illuminated LCDUpdating of readings: 1 secondsResponse time: 0.5 seconds
Directives, standards and tests:
EC Directive: 2004 / 108 / EC
0613 1712
ACCESSORIES:
PART NUMBER
WARRANTY DURATION: 2 years (3 yrs w/ product registration)